big bluestem
E608012
Big bluestem is a tall, perennial warm-season prairie grass native to North America, known as a key component of tallgrass prairie ecosystems and an important forage species for grazing animals.
All labels observed (1)
| Label | Occurrences |
|---|---|
| big bluestem canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6605086 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: big bluestem Context triple: [Flint Hills, dominantGrasses, big bluestem]
-
A.
Bouteloua
Bouteloua is a genus of drought-tolerant grasses, commonly known as grama grasses, native to the Americas and characteristic of many North American grassland and foothill ecosystems.
-
B.
Avena fatua
Avena fatua, commonly known as wild oat, is a widespread annual grass species often considered a weed in agricultural and disturbed habitats.
-
C.
Deschampsia
Deschampsia is a genus of tufted, cool-season grasses found in temperate and polar regions, including species adapted to harsh environments such as Antarctica.
-
D.
Kentucky bluegrass
Kentucky bluegrass is a cool-season perennial turfgrass widely used in lawns, sports fields, and pastures for its dense, fine-textured, and durable sod.
-
E.
blue grama
Blue grama is a drought-tolerant perennial bunchgrass native to North American prairies, where it is a dominant species in shortgrass grassland ecosystems.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: big bluestem Target entity description: Big bluestem is a tall, perennial warm-season prairie grass native to North America, known as a key component of tallgrass prairie ecosystems and an important forage species for grazing animals.
-
A.
Bouteloua
Bouteloua is a genus of drought-tolerant grasses, commonly known as grama grasses, native to the Americas and characteristic of many North American grassland and foothill ecosystems.
-
B.
Avena fatua
Avena fatua, commonly known as wild oat, is a widespread annual grass species often considered a weed in agricultural and disturbed habitats.
-
C.
Deschampsia
Deschampsia is a genus of tufted, cool-season grasses found in temperate and polar regions, including species adapted to harsh environments such as Antarctica.
-
D.
Kentucky bluegrass
Kentucky bluegrass is a cool-season perennial turfgrass widely used in lawns, sports fields, and pastures for its dense, fine-textured, and durable sod.
-
E.
blue grama
Blue grama is a drought-tolerant perennial bunchgrass native to North American prairies, where it is a dominant species in shortgrass grassland ecosystems.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
perennial grass
ⓘ
plant family ⓘ plant genus ⓘ plant species ⓘ prairie grass ⓘ warm-season grass ⓘ |
| commonNameOf | Andropogon gerardii NERFINISHED ⓘ |
| conservationStatus | common in much of its range ⓘ |
| distribution |
Great Plains
NERFINISHED
ⓘ
Midwestern United States NERFINISHED ⓘ central United States ⓘ |
| ecosystemRole |
dominant species in tallgrass prairie
ⓘ
keystone grass in tallgrass prairie ecosystems ⓘ |
| family | Poaceae NERFINISHED ⓘ |
| fireEcology | resprouts after fire ⓘ |
| floweringSeason | mid to late summer ⓘ |
| forageQuality | high quality summer forage ⓘ |
| genus | Andropogon NERFINISHED ⓘ |
| growthForm | bunchgrass ⓘ |
| habitat |
open grasslands
ⓘ
roadsides ⓘ tallgrass prairies ⓘ |
| height |
1–3 meters
ⓘ
3–10 feet ⓘ |
| importance |
important wildlife habitat plant
ⓘ
major component of tallgrass prairie biomass ⓘ |
| inflorescenceShape | turkey-foot like seed head ⓘ |
| inflorescenceType | three-parted raceme ⓘ |
| lifeCycle | perennial ⓘ |
| nativeTo |
North America
ⓘ
tallgrass prairie region ⓘ |
| palatability |
palatable to bison
ⓘ
palatable to cattle ⓘ |
| photosyntheticPathway | C4 ⓘ |
| plantType | warm-season grass ⓘ |
| rootDepth | often exceeds 2 meters ⓘ |
| rootSystem | deep fibrous roots ⓘ |
| soilPreference |
moderately moist soils
ⓘ
well-drained soils ⓘ |
| taxonRank | species ⓘ |
| tolerance |
drought tolerant
ⓘ
tolerant of fire ⓘ |
| usedFor |
forage for grazing animals
ⓘ
hay production ⓘ pasture grass ⓘ prairie restoration ⓘ soil conservation ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: big bluestem Description of subject: Big bluestem is a tall, perennial warm-season prairie grass native to North America, known as a key component of tallgrass prairie ecosystems and an important forage species for grazing animals.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.